268510995

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 487378944

約数和(自身を除く): 218867949

約数列:

[1, 3, 5, 9, 15, 31, 45, 71, 93, 155, 213, 279, 355, 465, 639, 1065, 1395, 2201, 2711, 3195, 6603, 8133, 11005, 13555, 19809, 24399, 33015, 40665, 84041, 99045, 121995, 192481, 252123, 420205, 577443, 756369, 962405, 1260615, 1732329, 2887215, 3781845, 5966911, 8661645, 17900733, 29834555, 53702199, 89503665, 268510995]

約数ペア:

[(1, 268510995), (3, 89503665), (5, 53702199), (9, 29834555), (15, 17900733), (31, 8661645), (45, 5966911), (71, 3781845), (93, 2887215), (155, 1732329), (213, 1260615), (279, 962405), (355, 756369), (465, 577443), (639, 420205), (1065, 252123), (1395, 192481), (2201, 121995), (2711, 99045), (3195, 84041), (6603, 40665), (8133, 33015), (11005, 24399), (13555, 19809)]